//隐藏 变为 显示
.sort-enter{
  opacity: 0 !important;
  height: 0px !important;
}
.sort-enter-active{
  transition: .5s linear all !important;
}
.sort-enter-to{
  opacity: 1 !important;
  height: 461px !important;
}
//显示 变为 隐藏
.sort-leave{}
.sort-leave-active{transition: .5s linear all !important;}
.sort-leave-to{
  opacity: 0 !important;
  height: 0px !important;
}